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Q: Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 seconds. What is the length of the fast train?

A. 27 7/9 mts
B. 25 8/7 mts
C. 21 1/4 mts
D. 22 mts
Answer» B. 25 8/7 mts


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